Effect of gas diffusion electrode composition to CO2 reduction

              Researchers in Canada study the link between electrode composition and CO2 reduction and publish their findings in the Royal Society of Chemistry’s Journal of Materials Chemistry A. In the past it has proved challenging to achieve reproducible electrochemical performance in electrolyzer flow cells. In order, to serve as pilot scale reactors especially for scaling CO2 electrolysis it is hence … Read More

Assessing durability of anion exchange membrane water electrolyzers

Anion exchange membrane water electrolyzers (AEMWEs) are considered one of the most promising low cost clean hydrogen production routes for unlocking sustainable energy storage and generation. They have the advantage of using cheaper non-noble metal base catalysts and less expensive flow fields and bipolar plates. At the heart of the electrolyzer, however, lies the anion exchange membrane (AEM) and durability … Read More

Importance of operation modes on the degradation behavior on AEM water electrolyzers

Degradation behavior of AEM membranes

Importance of operation modes on the degradation behavior on AEM water electrolyzers In-order to combine anion exchange membrane-alkaline water electrolysis (AEMWE) with renewable energy sources such as solar energy systems and wind power plants, it needs to be effectively coupled with the periodic and intermittent nature of these renewables. In lieu of that researchers from Republic of Korea investigated the … Read More

reducing green gas emissions by converting CO2 to make Formic Acid

Feasibility case study of reducing green gas emissions by converting CO2 to make Formic Acid

Feasibility case study of reducing green gas emissions by converting CO2 to make Formic Acid The electrochemical reduction of CO2, ERCO2, is considered one of the most promising strategies to valorize waste-CO2 as a feedstock to produce value-added chemicals, such as formic acid (FA), carbon monoxide, methane, ethene and methanol. Among these ERCO2 products, FA is valuable building block with … Read More

Reviewing anion exchange membrane (AEM) development for CO2 electrolyzers

Reviewing anion exchange membrane (AEM) development for CO2 electrolyzers

Reviewing anion exchange membrane (AEM) development for CO2 electrolyzers A broad group of experts in the field provide an excellent review published in Nature Energy on the potential, recent advances, and future recommendations of the design of AEMs for mediating the electrochemical CO2 reduction. The underlying goal is to enable CO2 reduction reaction at low cell voltages whilst maintaining high … Read More

Next-Gen commercially relevant AEM water electrolysis

Next-generation commercially relevant AEM water electrolysis

Next-Gen commercially relevant AEM water electrolysis Alchemr, a water electrolyzer company, recently published extraordinary long term AEM water electrolysis performance in the International Journal of Hydrogen Energy. Utilizing electrolyzer cells employing the Sustainion® membrane and Dioxide Material’s catalysts they met multiple commercially relevant performance metrics.   Most importantly, they showed stable performance of ~1 mV/h over 10,000 h of testing, … Read More

Superior AEM water electrolysis

AEM Water Electrolysis

Controlling oxygen vacancies and mass transfer for superior AEM water electrolysis The ultimate goal of developing non-precious-metal electro-catalysts for water electrolysis is the realization of large-scale cost-effective hydrogen production, which requires the use of high current densities (≥500 mA/cm2 at 1.8–2.4 V). In lieu of that, a group of collaborating researchers published a study in the Journal of Applied Catalysis … Read More

Electrochemical Conversion Of CO2

Electrochemical Conversion Of CO2

Electrochemical Conversion Of CO2 The electrochemical conversion of CO2 has switched from a lab curiosity to a commercially viable process. Lab-scale electrolyzers are already being sold and Pilot units are moving toward commercialization. The growth of the field is being driven by falling price of renewable energy, the need to decarbonize the economy and the fact that the processes are … Read More

Evaluating contaminants in CO2 electrolysis

Evaluating contaminants in CO2 electrolysis In today’s post, we will focus on evaluating the contaminants in CO2 electrolysis. The electrochemical CO2RR produces valuable fuels and feedstocks powered by renewable electricity, allowing for a pathway to close the carbon cycle and to restore renewable energy. As many as sixteen different products have been reported for CO2RR on Cu, highlighting the myriad … Read More

Large Scale Electrochemical CO2 Conversions

Large Scale Electrochemical CO2 Conversions Let’s talk about scaling up towards large scale electrochemical CO2 conversions. The electrochemical CO2RR produces valuable fuels and feedstocks powered by renewable electricity, allowing for a pathway to close the carbon cycle and to restore renewable energy. The reaction rate, selectivity, and stability of the reaction are not only determined by properties of electrocatalysts, but … Read More